Game Boy Advance - Sonic Advance 3 - Knuckles the Echidna - The Spriters Resource

ArtStation - A Bunch Of Sonic Advance-Styled Sprites

Sonic Advance 3 Sprite Sheets - Game Boy Advance - Sonic Galaxy.net

236448 - safe, artist:superkirbylover1, miles tails prower (sonic), sonic the hedgehog (sonic), canine, fox, hedgehog, mammal, anthro, plantigrade anthro, sega, sonic the hedgehog (series), ball, duo, green background, multiple tails, pixel art

Sonic Advance Sprite sheet by Lucario51 on DeviantArt

Young Sonic Advance Sprites Complete Version by kaijinthehedgehog on DeviantArt

Game Boy Advance - Sonic the Hedgehog Genesis - Sonic - The Spriters Resource

Ultimate Sonic Battle/Advance Sprite Sheet by Blitz215theSpriter on DeviantArt

sonic advance smash bros by Trashmourt on Newgrounds

Silver the hedgehog Advance sprites by Hey-Pi-Ron on DeviantArt

The Sprite Cemetery/The People's Sprites: Sonic the Hedgehog Annex. Sonia the Hedgehog by Magic Man/Groovy Ash.